Inventor · disambiguated record
Dietmar Pfefferkorn
Also filed as: PFEFFERKORN DIETMAR
10 granted patents·92 citations·filing 1978–1988
89Inventor score
Files withBASF AG10
Top patents by PatentIndex Score
10 records- 0179US4566653ATape cassette comprising a substantially rectangular two-part housingBASF AG·Filed 1983·Granted Jan 28, 1986·23 cites·2 claims
- 0271US4453683AMagnetic tape cassette arrangementsBASF AG·Filed 1980·Granted Jun 12, 1984·18 cites·19 claims
- 0356US4251882AMethod and apparatus for measuring the electroacoustic properties of magnetic tapesBASF AG·Filed 1978·Granted Feb 17, 1981·8 cites·3 claims
- 0455US4541587AHub for magnetic tape cassettes, especially compact cassettes, and magnetic tape cassette possessing one or more such hubsBASF AG·Filed 1984·Granted Sep 17, 1985·8 cites·11 claims
- 0551US4809928ARight parallelepiped cassette for tape-like recording media, and housing part thereofBASF AG·Filed 1987·Granted Mar 7, 1989·8 cites·18 claims
- 0649US4515331AHub for magnetic tape cassettes, especially compact cassettes, and magnetic tape cassette possessing one or more such hubsBASF AG·Filed 1981·Granted May 7, 1985·6 cites·12 claims
- 0748US4656548ATape cassette containing echo-erasing meansBASF AG·Filed 1983·Granted Apr 7, 1987·7 cites·15 claims
- 0846US4709288AAdjusting means in particular for guide elements, and magnetic tape cassette possessing such meansBASF AG·Filed 1986·Granted Nov 24, 1987·8 cites·7 claims
- 0931US4964588ARight parallelepiped cassette for tape-like recording media, and housing part thereofBASF AG·Filed 1988·Granted Oct 23, 1990·2 cites·4 claims
- 1030US4632334ATape cassette, in particular a magnetic tape cassette, and a reel support liner thereforBASF AG·Filed 1986·Granted Dec 30, 1986·4 cites·18 claims
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